module Mappable::Mapping

Defines what fields to map

Public Class Methods

create(base_module, name, options = {}, &block) click to toggle source
# File lib/mappable/mapping.rb, line 70
def self.create(base_module, name, options = {}, &block)
  options[:class_name] ||= ::Mappable::Utils.classify_name(name.to_s) + 'Mapping'
  kls = Class.new(options[:base_class] || Object)
  kls = base_module.const_set(options[:class_name], kls)
  kls.send(:include, ::Mappable::Mapping)
  kls.class_eval(&block) if block
  kls
end
default_mapping_options(src, dest) click to toggle source
# File lib/mappable/mapping.rb, line 11
def self.default_mapping_options(src, dest)
  {
    src: src.to_sym,
    src_getter: src.to_s.freeze,
    src_setter: "#{src}=",
    dest: dest.to_sym,
    dest_getter: dest.to_s.freeze,
    dest_setter: "#{dest}="
  }
end
included(base) click to toggle source
# File lib/mappable/mapping.rb, line 6
def self.included(base)
  base.extend InheritanceHelper::Methods
  base.extend ClassMethods
end

Public Instance Methods

call_method(model, method) click to toggle source
# File lib/mappable/mapping.rb, line 59
def call_method(model, method)
  case method
  when Symbol
    model.public_send(method)
  when Proc
    model.instance_eval(&method)
  else
    raise("wrong type, failed to call method #{method}")
  end
end
map(src_model, dest_model) click to toggle source
# File lib/mappable/mapping.rb, line 43
def map(src_model, dest_model)
  self.class.mappings.each do |_, options|
    next if skip?(src_model, dest_model, options)

    dest_model.public_send(options[:dest_setter], src_model.public_send(options[:src_getter]))
  end
  dest_model
end
skip?(src_model, dest_model, options) click to toggle source
# File lib/mappable/mapping.rb, line 52
def skip?(src_model, dest_model, options)
  return true if options[:if] && !call_method(dest_model, options[:if])
  return true if options[:unless] && call_method(dest_model, options[:unless])

  false
end